英语基本语法(否定)

否定：

全部否定和部分否定：

eg. All the birds can not fly. Not all the birds can fly. 不是所有的鸟都会飞。

1. 部分否定

eg. All the birds can not fly. 并非所有的鸟都会飞。

None of the birds can fly. 所有的鸟都不会飞。

代词或副词如all, both,every,everybody, every day, everyone, everything, everywhere等与not 搭配使用时，表示部分否定，意思为“并非都是"等。

eg. All is not gold that glitters. 发光的并非都是金子。= Not all is gold that glitters.

2. 全部否定

英语中常用not, none, nobody, nothing, nowhere, neither, never等表示全部否定的概念。eg. Nothing in the world is difficult for one who sets his mind to it. 世上无难事，只怕有心人。eg. W: Daddy, I 've decided to give up science and go to business school.

M: Well, it is your choice as long as pay your own way, but I should warn you

that not everyone with a business degree will make a successful manager.

Q: What do we learn from the conversation?

A. The man doesn't have money for his daughter's graduate studies.

B. The man doesn't think his daughter will get a business degree.

C. The man insists that his daughter should pursue her studies in science.

D. The man advises his daughter to think carefully before making her decision.

实例练习：

1．

M: Wow, that's a big assignment we've got for the psychology class. W: Well , it's not as bad as it looks. It isn't due until Thursday morning. Q: What does the women mean?。

A. The assignment looks easy but actually it's quite difficult.

B. The assighment is too difficult for them to complete on time.

C. They cannot finish the assighment until Thursday.

D.They have plenty of time to work on the assighment.

2．

M: I ran into our friend Mark yesterday on the street and he said he hadn't heard from you for two months.

W: Yes, I know. But I've been too busy to phone him.

Q: What can be inferred from the conversation?

A. The man saw Mark on the street two months ago.

B. The woman had forgotten Mark's phone number.

C. The woman made a phone call to Mark yesterday.

D.Mark and the woman had not been in touch for some time.

阅读当中：eg. Researchers documented claims of environmental friendliness made by about 2,000 products and found many too wague or too misleading to meet ISO standards.（0506阅读）调查者将约2，000种产品上所标有的环保声明记录了下来，发现许多声明要么过于模糊，要么误导性太强，都不符合ISO 标准。

eg. "Humans should not try to avoid stress any more than they would shun food, love or exercise." said Dr.Hans Selye, the first physician to document the effects of stress on the body.（0512阅读）人们不应该躲避压力就像他们不应该躲避食物、爱情或锻炼身体一样，no more .... than...= not....any more than...

eg. But those captured were anything but terrorists, most of them illegal immigrants from Central